This current comparative study involved 54 patients undergoing thoracoscopic thymectomy who were distributed randomly into three equal groups to receive ultrasound (US)-guided ESPB using 20 ml bupivacaine 0.25% (group B) , 20 ml bupivacaine 0.25% with 8 mg dexamethasone (group BS), 20 ml bupivacaine 0.25% with dexmedetomidine 1mcg/kg (group BM). The time till the first postoperative rescue analgesic requested was the primary outcome. The secondary outcomes included the postoperative pain scores and analgesic consumption.
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the duration between the surgery end and the 1st rescue analgesia the patient requested.
Timeframe: 24 hours postoperatively